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pernicious

[per-nish-uhs] / pərˈnɪʃ əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said conversion practices could be "particularly pernicious" in a church setting.

From BBC • Jul. 4, 2026

Patients with pernicious anemia who had been close to death often improved dramatically within weeks of eating liver-rich diets.

From Science Daily • Jun. 25, 2026

This is part of what makes ’90s-summer idealization so pernicious, says Erika.

From Salon • Jun. 24, 2026

What frightens scientists more than the sheer numbers are that the cuts are arbitrary and manifestly pernicious.

From Los Angeles Times • Jun. 11, 2026

Every day since then on the radio we heard about the need to end the evil and pernicious influences of the “Four Olds”: old ideas, old culture, old customs, and old habits.

From "Red Scarf Girl: A Memoir of the Cultural Revolution" by Ji-li Jiang




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